java读写excel之POI篇—004

直接上代码

@Test
    public void operateOfSheet(){
        Workbook workbook = new HSSFWorkbook();
        FileOutputStream fileOutputStream = null;
        try {
            fileOutputStream = new FileOutputStream("D:\\test.xls");
            Sheet sheet1 = workbook.createSheet("new sheet");
            Sheet sheet2 = workbook.createSheet("second sheet");
            // Note that sheet name is Excel must not exceed 31 characters
            // and must not contain any of the any of the following characters:
            // 0x0000
            // 0x0003
            // colon (:)
            // backslash (\)
            // asterisk (*)
            // question mark (?)
            // forward slash (/)
            // opening square bracket ([)
            // closing square bracket (])
            //验证合法的sheet name
            String sheetName = WorkbookUtil.createSafeSheetName("[O'Brien's sales*?]"); //return  O'Brien's sales  
            System.out.println(sheetName);
            Sheet sheet3 = workbook.createSheet(sheetName);
            
            //追加sheet
            Sheet sheet4 = workbook.createSheet("append sheet");
            
            //复制sheet
            Sheet cloneSheet = workbook.cloneSheet(0);
            System.out.println(cloneSheet.getSheetName());//return new sheet (2)
            
            //修改sheet name
            workbook.setSheetName(0, "one sheet");
            System.out.println(workbook.getSheetName(0));
            
            //删除Sheet
            workbook.removeSheetAt(0);
            
            //设置下部Sheet名的Tab的第一个可见Tab 
            workbook.setFirstVisibleTab(0);//设置下部Sheet名的Tab的第一个可见Tab（以左的Sheet看不见）
            
            //调整Sheet顺序 
            workbook.setSheetOrder("second sheet", 0);
            workbook.setSheetOrder(workbook.getSheetName(3), 0);
            
            //设置当前Sheet
            //（Excel的当前Sheet被设置，需要结合setSelected使用，不然下部Sheet名的Tab还是默认为第一个）  
            //（需要选择多个Sheet的话，每个Sheet调用setSelected(true)即可） 
            workbook.setActiveSheet(workbook.getNumberOfSheets() - 1);
            workbook.getSheetAt(workbook.getNumberOfSheets() - 1).setSelected(true);
            
            //固定窗口 
            workbook.getSheet("second sheet").createFreezePane(2, 2);
            
            //分割窗口 
            workbook.getSheet("second sheet").createSplitPane(2000, 2000, 0, 0, HSSFSheet.PANE_LOWER_LEFT);
            
            //Sheet缩放 
            //setZoom(int numerator, int denominator)  
            //"numerator"÷"denominator" 例如： 3÷1＝3 那就是设置为300%  
            //扩大(200%)  
            workbook.getSheet("second sheet").setZoom(2, 1);  
            //缩小(50%)  
            workbook.getSheet("second sheet").setZoom(1, 2); 
            
            workbook.write(fileOutputStream);
            
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                fileOutputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        
    }

sheet 相关操作。